Fast-Response Load Regulation of DC-DC Converter By High-Current Clamp

Thilak Ananda Senanayake; Tamotsu Ninomiya

Fast-Response Load Regulation of DC-DC Converter By High-Current Clamp

Thilak Ananda Senanayake

Tamotsu Ninomiya

Vol. 4, No. 2, pp. 87-95, Apr. 2004

10.6113/JPE.2004.4.2.87

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Abstract

A new fast-response high-current clamp DC-DC converter circuit design is presented that will meet the requirements and features of the new generation of microprocessors and digital systems. The clamp in the proposed converter amplifies the current in case of severe load changes and is able to produce high slew rate of output current and capability to keep constant the output voltage. This proposed high-current clamp technique is theoretically loss less, low cost and easy to implement with simple control scheme. This is modified from a basic buck topology by replacing the output inductor with two magnetically coupled inductors. Inductors are difference in inductance, one has large inductance and other has small inductance. The inductor with small inductance will take over the output inductor during fast load transient. It speedup the output current slew rate and reduce the output voltage drop in the case of heavy burden load changes.

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Cite this article

[IEEE Style]

T. A. Senanayake and T. Ninomiya, "Fast-Response Load Regulation of DC-DC Converter By High-Current Clamp," Journal of Power Electronics, vol. 4, no. 2, pp. 87-95, 2004. DOI: 10.6113/JPE.2004.4.2.87.

[ACM Style]

Thilak Ananda Senanayake and Tamotsu Ninomiya. 2004. Fast-Response Load Regulation of DC-DC Converter By High-Current Clamp. Journal of Power Electronics, 4, 2, (2004), 87-95. DOI: 10.6113/JPE.2004.4.2.87.